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Shelby Sell Sammie Meddaugh Emily Wojahn

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Transformation: Functions that map real number to real numbers. Rigid Transformations: Leave the side and shape of the graph unchanged (horizontal and vertical translations, reflections). Non Rigid Transformations: Distort the shape of a graph (horizontal or vertical stretches and shapes).

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If c is a positive real number: Horizontal y= f(x-c) A translation to the right by c units y= f(x+c) A translation to the right by c units Vertical y= f(x) + c A translation up by c units y= f(x) - c A translation down by c units

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y= x 2 + 3 y= abs(x – 2) 2 y= abs(x) y= x 2

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Across the x-axis (x,y) (x,-y) y= -f(x) Across the y-axis (x,y) (-x,y) y= f(-x) Through the origin (x,y) (-x.-y) y= -f(-x)

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Reflection over y axis Reflection over y= x axis Reflection over x axis

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Horizontal Stretch/Shrink A stretch by a factor of c if c>1 A shrink by a factor of c if c<1 Vertical Stretch/Shrink A stretch by a factor of c if c> 1 A shrink by a factor of c if c<1 y= f (x/c) y= c f(x)

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Graph of y = x² Multiply all red values by 3 to get coordinates for the new graph. Graph y = 3x² y = x² "Transformations on the Basic Parabola." W.A.E.C.E. Math Help. N.p., n.d. Web.

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Graph of y = x² with a stretch of 3.

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1.) Horizontal shift 2 units to the right y=(x-2) ² 2.) Stretch Vertically by factor 3 y=3(x-2) ² 3.) Vertical Translation 5 units up y=3(x-2) ² +5 Given y=x²

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Y= f(x) Entire functions absolute value (change negative y values to positive) Y= - f(x) Only Negative y values

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A) y = ½x 2 + 2 B) y = 3x 2 + 2 C) y = 3(x + 2) 2 D) y = ½(x + 2) 2 2

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A) y = ½(x - 3) 2 B) y = ½(x + 3) 2 C) y = 2(x - 3) 2 D) y = 2(x + 3) 2 3

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A y = 0.5(x + 1) 4 B y = 0.5(x - 1) 4 C y = 2(x + 1) 4 D y = 2(x - 1) 4

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Describe how the graph of y= x² can be transformed to the graph of the given equation A) Vertical translation up 3 units B) Horizontal translation to the right 3 units C) Horizontal translation to the left 3 units D) Vertical translation down 3 units Y=x²-3

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Given function f, which of the following represents a vertical stretch by a factor of 3. C) y=f(9x/3) D)y=f(x)/3 A) y=f(3x) B) y=3f(x )

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Given a function f, which of the following represents a vertical translation of 2 units upward, followed by a reflection across the y-axis. A) y=f(-x) + 2C) y= -f(x-2) B) y= 2-f(x)D) f(x) -2

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TRUE OR FALSE? The function y=f(x+3) represents a translation to the right by 3 units of the graph of y = f(x).

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TRUE OR FALSE? The function of y=f(x)-4 represents a translation down 4 units of the graph of y=f(x)

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Write an equation whose graph is Y=x ²; a vertical stretch by a factor of 3, then shift right 4 units A) y=3(x-4) ²C) y=3x ² -4 B) y=-3x ² +4D) y=3(x+4) ²

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Write an equation whose graph is Y= x ; a shift left 2 units, then a vertical stretch y a factor of 2, and finally a shift down 4 units. A) 2 x+2 -4C) 2 x-2 +4 B) 2(x+2) -4D) 3(x-2) +4

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1.) B 2.) A 3.) A 4.) D 5.) B 6.) A 7.) False, it is translated left. 8.)True 9.) A 10.)A

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http://www.mathopolis.com/questions/q.php?id=555&site=1&ref=/sets/function- transformations.html&qs=555_556_557_558_1191_2440_1192_2441_2442 http://departments.jordandistrict.org/curriculum/mathematics/secondary/impact/ Algebra%20II/Ready%20for%20web%20site/zTransformationMatchingGame.pdf http://tutorial.math.lamar.edu/Classes/Alg/Transformations.aspx Pre calculus- Eighth edition book http://cheezburger.com/6321270784 "Transformations on the Basic Parabola." W.A.E.C.E. Math Help. N.p., n.d. Web.

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